225808660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{20947}}^1$

素因数の和:20981

約数の個数: 72

約数和(自身を含む): 601794144

約数和(自身を除く): 375985484

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 20947, 41894, 83788, 104735, 146629, 209470, 230417, 293258, 418940, 460834, 586516, 733145, 921668, 1026403, 1152085, 1466290, 1612919, 2052806, 2304170, 2932580, 3225838, 4105612, 4608340, 5132015, 6451676, 8064595, 10264030, 11290433, 16129190, 20528060, 22580866, 32258380, 45161732, 56452165, 112904330, 225808660]

約数ペア:

[(1, 225808660), (2, 112904330), (4, 56452165), (5, 45161732), (7, 32258380), (10, 22580866), (11, 20528060), (14, 16129190), (20, 11290433), (22, 10264030), (28, 8064595), (35, 6451676), (44, 5132015), (49, 4608340), (55, 4105612), (70, 3225838), (77, 2932580), (98, 2304170), (110, 2052806), (140, 1612919), (154, 1466290), (196, 1152085), (220, 1026403), (245, 921668), (308, 733145), (385, 586516), (490, 460834), (539, 418940), (770, 293258), (980, 230417), (1078, 209470), (1540, 146629), (2156, 104735), (2695, 83788), (5390, 41894), (10780, 20947)]